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Salt-Induced Collapse and Reexpansion of Highly Charged Flexible Polyelectrolytes
Open accessAbstract
We study the salt-dependent conformations of dilute flexible polyelectrolytes in solution via computer simulations. Low concentrations of multivalent salt induce the known conformational collapse of individual polyelectrolyte chains, but as the salt concentration is increased further this is followed by a reexpansion. We explicitly demonstrate that multivalent counterions can overcompensate the bare charge of the chain in the reexpansion regime. Both the degree of reexpansion and the occurrence of overcharging sensitively depend on ion size. Our findings are relevant for a wide range of salt-induced complexation phenomena.
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Cites
Fast Parallel Algorithms for Short-Range Molecular Dynamics
Plimpton, S. (1995) · Journal of Computational Physics · doi:10.1006/jcph.1995.1039 · Cited by 44,721
Cited by
50th Anniversary Perspective: A Perspective on Polyelectrolyte Solutions
Muthukumar, M. (2017) · Macromolecules · doi:10.1021/acs.macromol.7b01929 · Cited by 502
Comparing Solvophobic and Multivalent Induced Collapse in Polyelectrolyte Brushes
Jackson, N. E., Brettmann, B. K., Vishwanath, V., Tirrell, M., & de Pablo, J. J. (2017) · ACS Macro Letters · doi:10.1021/acsmacrolett.6b00837 · Cited by 63
Lateral Structure Formation in Polyelectrolyte Brushes Induced by Multivalent Ions
Brettmann, B., Pincus, P., & Tirrell, M. (2017) · Macromolecules · doi:10.1021/acs.macromol.6b02563 · Cited by 55
Liu, L., Pincus, P. A., & Hyeon, C. (2017) · Macromolecules · doi:10.1021/acs.macromol.6b02685 · Cited by 40
Metadata
- Authors
- Hsiao, P.-Y., & Luijten, E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2006-10-05
- Volume
- 97
- Issue
- 14
- Pages
- 148301-148301
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2060491164
- Cited by
- 199
- References
- 1
- FWCI
- 6.76
- Type
- journal article
- Language
- en
- Open access
- green
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- Hsiao, P.-Y., & Luijten, E. (2006). Salt-Induced Collapse and Reexpansion of Highly Charged Flexible Polyelectrolytes. Physical Review Letters. https://doi.org/10.1103/physrevlett.97.148301
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